157121888

Names of 157121888

• Cardinal: 157121888 can be written as One hundred fifty-seven million, one hundred twenty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.57121888 × 10⁸

Factors of 157121888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 68

Divisors of 157121888

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 31 32 34 44 56 62 68 77 88 112 119 121 124 136 154 176 187 217 224 238 242 248 272 308 341 352 374 434 476 484 496 527 544 616 682 748 847 868 952 968 992 1054 1232 1309 1331 1364 1496 1694 1736 1904 1936 2057 2108 2387 2464 2618 2662 2728 2992 3388 3472 3689 3751 3808 3872 4114 4216 4774 5236 5324 5456 5797 5984 6776 6944 7378 7502 8228 8432 9317 9548 10472 10648 10912 11594 13552 14399 14756 15004 16456 16864 18634 19096 20944 21296 22627 23188 26257 27104 28798 29512 30008 32912 37268 38192 40579 41261 41888 42592 45254 46376 52514 57596 59024 60016 63767 65824 74536 76384 81158 82522 90508 92752 105028 115192 118048 120032 127534 149072 158389 162316 165044 181016 185504 210056 230384 255068 288827 298144 316778 324632 330088 362032 420112 446369 460768 510136 577654 633556 649264 660176 701437 724064 840224 892738 1020272 1155308 1267112 1298528 1320352 1402874 1785476 2040544 2310616 2534224 2805748 3570952 4621232 4910059 5068448 5611496 7141904 9242464 9820118 11222992 14283808 19640236 22445984 39280472 78560944 157121888
• Sum of all divisors σ(n): 425005056
• Sum of proper divisors (its aliquot sum) s(n): 267883168
• 157121888 is an abundant number, because the sum of its proper divisors (267883168) is greater than itself. Its abundance is 110761280

Bases of 157121888

• Binary: 1001010111010111110101100000₂
• Hexadecimal: 0x95D7D60
• Base-36: 2LJO0W

Squares and roots of 157121888

• 157121888 squared (157121888²) is 24687287688684544
• 157121888 cubed (157121888³) is 3878913251245271789699072
• The square root of 157121888 is 12534.8270031941
• The cube root of 157121888 is 539.6086419055

Scales and comparisons

• 157,121,888 seconds is equal to 4 years, 51 weeks, 5 days, 12 hours, 58 minutes, 8 seconds.
• To count from 1 to 157,121,888 would take you about seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 157121888 cubic inches would be around 45 feet tall.

Recreational maths with 157121888

• 157121888 backwards is 888121751
• The number of decimal digits it has is: 9
• The sum of 157121888's digits is 41
• More coming soon!